redundant "use case"

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joaquinelio 2020-10-15 19:48:47 -03:00 committed by GitHub
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The flag `pattern:y` allows to perform the search at the given position in the source string.
To grasp the use case of `pattern:y` flag, and see how great it is, let's explore a practical use case.
To grasp the use case of `pattern:y` flag, and see how great it is, let's explore a practical example.
One of common tasks for regexps is "lexical analysis": we get a text, e.g. in a programming language, and analyze it for structural elements.